Answer:
B
Explanation:
Its not A or C bc there is no thymine in a RNA strand. Its not D bc it doesn't match the complementary DNA strand.
Some samples are transparent, or very difficult to see, therefore, they are stained in order to be seen more clearly and easier to work with.
During eye surgery, the clear layer of the eye is stained to be easily extracted, if it was clear then the surgeon might cut the eye instead of just the layer.
Hope this helps, u might want to search online for more info.
b i gotta write 20 words thats bs but i think its b
The answer is A. By gemmules
